= programming and proto ##ty ##ping = = = with a satisfying protagonist completed , sega turned to esteem ##ed programmer yu ##ji nak ##a , who had impressed them through his work on ph ##anta ##sy star and the genesis port of g ##ho ##uls ' n ghosts . the gameplay originated with a tech demo by nak ##a , who developed an algorithm allowing a sp ##rite to move smoothly on a curve by determining its position with a dot matrix . nak ##a ' s prototype was a platform game with a fast @ - @ moving character rolling in a ball through a long , winding tube , and this concept was flesh ##ed out with oh ##shima ' s character designs and levels
= programming and prototyping = = = with a satisfying protagonist completed, sega turned to esteemed programmer yuji naka, who had impressed them through his work on phantasy star and the genesis port of ghouls'n ghosts. the gameplay originated with a tech demo by naka, who developed an algorithm allowing a sprite to move smoothly on a curve by determining its position with a dot matrix. naka's prototype was a platform game with a fast @ - @ moving character rolling in a ball through a long, winding tube, and this concept was fleshed out with ohshima's character designs and levels